08-20-2007, 09:46 AM
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Renegade Nuns on Wheels
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Join Date: Aug 2001
Location: columbus,
Oh
Cobra Make, Engine: Unique 427 roadster with 351C-4B
Posts: 5,129
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Not Ranked
I also asked Ed specifically about the 5W-40 rotella T synthetic that I currently use. Here is his reponse:
"Shell Rotella T Synthetic Oil has not yet been reformulated for API CJ-4, though we expect to release the reformulation in the next couple of months. At the current time, Shell Rotella T Synthetic Oil SAE 5W-40, in the API CI-4 Plus/SL formulation, contains approximately 1600 ppm, or 0.16%, zinc."
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